Data as of Oct 28, 2026.
IWC vs RSP: Differences, Returns & Fees
Over the year to Oct 28, 2026, IWC returned +16.5% to RSP's +16.0%; 0% of their weight is in the same names.
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Net assets on Oct 27, 2026: $1.2bn for iShares Micro-Cap ETF and $99.8bn for Invesco S&P 500 Equal Weight ETF.
Pair scorecard
RSP costs 0.40 points a year less; their one-year returns differ by 0.5 points; RSP is far larger, $99.8bn against $1.2bn.
| Measure | IWC | RSP |
|---|---|---|
| Return | ||
| Total return, 1 year | +16.5% | +16.0% |
| Drawdown | ||
| Below its high | 9.5%, high on Aug 14, 2026 | |
| Benchmark | ||
| What it tracks | Russell Microcap Index | S&P 500 Equal Weight Index |
| Cost and size | ||
| Expense ratio | 0.60% | 0.20% |
| Net assets, as of Oct 27, 2026 | $1.2bn | $99.8bn |
| Holdings | ||
| Holdings in common | 0% | |
| Top ten holdings, share of the fund | 5.9% | 2.7% |
Holdings in common uses holdings dated Oct 27, 2026. Method
What they share
By the books each fund has filed, IWC and RSP hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
IWC and RSP on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
Over the year to Oct 28, 2026 it returned +16.5% with distributions reinvested, against +13.3% for its benchmark, the Russell 3000 Index.
IWC tracks the Russell Microcap. The prospectus expense ratio is 0.60% a year. By its holdings published by its issuer for Oct 27, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1,365 positions, with the top ten at 5.9%. It sat 9.5% below its high of Aug 14, 2026 on Oct 28, 2026.
RSP
RSP tracks the S&P 500 equal weight. Over the year to Oct 28, 2026 it returned +16.0% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.20% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 508 positions, with the top ten at 2.7%.
Questions people ask
- Which returned more over the last year, IWC or RSP?
- In the year to Oct 28, 2026, with distributions reinvested, IWC returned +16.5% and RSP +16.0%.
- Which is cheaper, IWC or RSP?
- RSP is cheaper, by 0.40 percentage points a year. That is about $40 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, IWC against RSP, data as of Oct 28, 2026. https://etfiq.com/compare/any/iwc-vs-rsp
ETFIQ. (Oct 28, 2026). IWC against RSP. Retrieved from https://etfiq.com/compare/any/iwc-vs-rsp
[IWC against RSP (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/iwc-vs-rsp)
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